package com.atguigu01.string.exer3;

/**
 * ClassName: myTest
 * Package: com.atguigu01.string.exer3
 * Description:
 *
 * @Author BuTang
 * @Create 2023/5/23 18:12
 * @Version 1.0
 */
public class myTest {
    public static void main(String[] args) {
        String n = "0123";
        System.out.println(n.substring(1, 4));

    }
}
